Rank  City and country  	Population*

1. Seoul, South Korea 		10,231,217 
2. Sao Paulo, Brazil 		10,017,821 
3. Bombay (Mumbai), India 	  9,925,891 
4. Jakarta, Indonesia 		  9,112,652 
5. Moscow, Russia 		  8,368,449 
6. Istanbul, Turkey 		  8,274,921 
7. Mexico City, Mexico 		  8,235,744 
8. Shanghai, China 		  8,214,384 
9. Tokyo, Japan 		  7,967,614 
10. New York City, U.S. 	  7,380,906 
11. Beijing, China 		  7,362,426 
12. Delhi, India	 		  7,206,704 
13. London, U.K.		  7,074,265 
14. Cairo, Egypt		  6,800,000 
15. Teheran, Iran		  6,750,043 
16. Hong Kong, China		  6,502,000 
17. Bangkok, Thailand		  5,882,000 
18. Tianjin, China		  5,855,044 
19. Lima, Peru			  5,681,941 
20. Rio de Janeiro, Brazil	  5,606,497 
21. Bogota, Colombia		  4,945,448 
22. Shenyang, China		  4,669,737 
23. Santiago, Chile		  4,640,635 
24. Calcutta, India		  4,399,819 
25. St. Petersburg, Russia	  4,232,105 
26. Wuhan, China		  4,040,113 
27. Guangzhou, China		  3,935,193 
28. Madras, India		  3,841,396 
29. Baghdad, Iraq		  3,841,268 
30. Pusan, South Korea		  3,814,325 
31. Singapore			  3,737,000 
32. Sydney, Australia		  3,713,500 
33. Caracas, Venezuela		  3,672,779 
34. Los Angeles, U.S.		  3,553,638 
35. Berlin, Germany		  3,458,763 
36. Alexandria, Egypt		  3,380,000 
37. Yokohama, Japan		  3,319,815 
38. Melbourne, Australia	  3,189,200 
39. Chongqing, China		  3,127,178 
40. Hyderabad, India		  3,058,093 
41. Ho Chi Minh City, Vietnam	  3,015,743 
42. Haerbin, China		  2,990,921 
43. Buenos Aires, Argentina	  2,965,403 
44. Chengdu, China		  2,954,872 
45. Ahmedabad, India		  2,954,526 
46. Ankara, Turkey		  2,937,524 
47. Xian, China			  2,872,539 
48. Madrid, Spain		  2,866,850 
49. Pyongyang, North Korea	  2,741,260 
50. Chicago, U.S.		  2,721,547 

* SOURCE: UN Demographic Yearbook 1997